Arbitrary and Forcible

Arbitrary adjective - Having or showing a tendency to force one's will on others without any regard to fairness or necessity.

Forcible is an antonym for arbitrary.

Nearby Words: arbitration, arbitrarily, arbitrariness, arbitral

Forcible adjective - Impelled by physical force especially against resistance.

Arbitrary is an antonym for forcible.

Nearby Words: force, forceful, forced, forcefully, forcibly